Shopify Pos Embed app change checkout screen.

[XiaKhan]

Hello Support!

i am new to shopify app development.   

please look at the images attached. 

• Can we add another option in the 'receipt options' If not can we change the behavior of the 'receipt options' existing button?
• Can we add a new section to the 'order finished screen' (attached screen)?
• Can we make a thank you page for the POS?
• Can we add anything visual to the order notes? 
• Can we reorder the items on the 'order finished page' of the POS
• What is our ability to modify the 'order history page' ?

Please  help me to find answer to these questions.  we are building an embed app for POS.